Earthquakes warnings by smartphone

Ah, the buzzing smartphone: It’s a call, a tweet, a funny photo—or an earthquake? Yep, scientists say crowd-sourced data may one day relay warnings about impending quakes that have already begun elsewhere, LiveScience reports. In a computer-model study led by the US Geological Survey, researchers found that smartphones in California or Japan can send information about magnitude-7 quakes or greater with several seconds’ warning. The phones would automatically detect a temblor with an app using GPS technology and transmit information some distance away. Fewer than 5,000 phones would be enough to send a helpful alert, Eureka Alert reports—giving people time to halt trains, stop surgeries, take cover, you name it. “A few seconds can be enormously helpful,” says lead author Sarah Minson.images

We have high hopes that this could make a huge impact,” says Minson. Scientists are currently planning a pilot project in Chile with 250 smartphones, and will augment the West Coast’s $145 million ShakeAlert plan, which mixes seismometers with GPS data. One little problem: Phone manufacturers don’t allow access to raw GPS data, so smartphones will have to be reprogrammed down the road. And the system will have to work in the real world for the first time, the LA Times reports.  Source: Newser

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